*{
    margin: 0;
    padding: 0;
}
html,body{
    width: 100%;
}
.top{
    width: 100%;
    background: white;
}
.top>img{
    width: 100%;
}

.middle .middle_con{
    width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 100px 0;
}
.middle_con>.p_left>p:first-child{
    position: relative;
    top: 50px;
    font-size: 1vw;
    font-weight: bold;
    line-height: 45px;
    color: #333333;
    white-space: nowrap;
    opacity: 0;
}
.middle .middle_con>.p_left>p:last-child{
    position: relative;
    top: 200px;
    font-size: 2.3vw;
    font-weight: bold;
    line-height: 72px;
    color: #333333;
    white-space: nowrap;
    opacity: 0;
}
 .middle .middle_con>.p_right{
    position: relative;
    font-size: 1vw;
    line-height: 45px;
    color: #333333;
    margin-left: 200px;
    margin-top: 50px;
    top: 200px;
    opacity: 0;
}
.middle .middle_con1{
    position: relative;
    z-index: 99;
    text-align: center;
    padding: 200px 0;
}
.middle .middle_con1>img:nth-of-type(1){
    width: 12%;
    transform: translateX(0%);
    margin-right: 2%;
}
.middle .middle_con1>img:nth-of-type(2){
    width: 12%;
    transform: translateX(0%);
    margin-left: 2%;
}
.middle .middle_con1>img:nth-of-type(3){
     width: 40%;
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%,-50%);
     opacity: 0;
 }
.middle .middle_con1>img:nth-of-type(4){
    width: 25%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    opacity: 0;
}
.middle .section_bottom{
    width: 70%;
    margin: 0 auto;
    padding: 100px 0;
}
.middle .section_bottom .swiper-container{
    width: 100%;
    height: 34vw;
    border-radius: 35px;
    overflow: hidden;
}
.middle .section_bottom .swiper-slide{
    position: relative;
}
.middle .section_bottom .swiper-slide img{
    position: absolute;
}

.middle .section_bottom .swiper-slide:nth-child(1){
    background: #ffdbc6;
}
.middle .section_bottom .swiper-slide:nth-child(1) img:nth-child(1){
    width: 36%;
    left: 15%;
    bottom: -40%;
    z-index: 1;
}
.section_bottom .swiper-slide:nth-child(1) img:nth-child(2){
    width: 36%;
    left: 30%;
    bottom: -60%;
}

.middle .section_bottom .swiper-slide:nth-child(2){
    background: #ace3e5;
}
.middle .section_bottom .swiper-slide:nth-child(2) img:nth-child(1){
    width: 48%;
    left: 40%;
    bottom: 40%;
}
.middle .section_bottom .swiper-slide:nth-child(2) img:nth-child(2){
    width: 48%;
    left: 25%;
    top: 40%;
}

.middle .section_bottom .swiper-slide:nth-child(3){
    background: #e0daf5;
}
.middle .section_bottom .swiper-slide:nth-child(3) img:nth-child(1){
    width: 34%;
    left: 30%;
    bottom: -40%;
}
.middle .section_bottom .swiper-slide:nth-child(3) img:nth-child(2){
    width: 38%;
    left: 41%;
    bottom: -30%;
}

.middle .section_bottom .swiper-slide:nth-child(4){
    background: #dbdbdb;
}
.middle .section_bottom .swiper-slide:nth-child(4) img:nth-child(1){
     width: 25%;
     left: 27%;
     bottom: -30%;
 }
.middle .section_bottom .swiper-slide:nth-child(4) img:nth-child(2){
    width: 25%;
    left: 45%;
    bottom: -30%;
}


@keyframes mySlideInUp {
    0% {
        transform: translateY(20%);
        visibility: visible;
        /*opacity: 0;*/
    }
    100% {
        transform: translateY(0);
        /*opacity: 1;*/
    }
}
.mySlideInUp {
    animation-name: mySlideInUp
}
@keyframes mySlideInDown {
    0% {
        transform: translateY(-20%);
        visibility: visible;
        /*opacity: 0;*/
    }

    100% {
        transform: translateY(0);
        /*opacity: 1;*/
    }
}
.mySlideInDown {
    animation-name: mySlideInDown
}
.section_bottom  .swiper-pagination{
    position: absolute;
    width: auto;
    left: auto;
    bottom: 10%;
    right: 10%;
}
.my-bullet {
    display: inline-block;
    width: 1.3vw;
    height: 1.3vw;
    border-radius: 50%;
    background: #000;
    margin: 0 5px;
}
.my-bullet:nth-child(1){
    color: #ff6b29;
    background: #ff6b29;
}
.my-bullet:nth-child(2){
    color: #16c196;
    background: #16c196;
}
.my-bullet:nth-child(3){
    color: #9676ff;
    background: #9676ff;
}
.my-bullet:nth-child(4){
    color: #434040;
    background: #434040;
}
.my-bullet-active{
    border: 3px solid #fff;
    box-sizing: border-box;
    box-shadow: 0 0 10px;
}
.swiper-line{
    width: 4vw;
    height: 3px;
    background: #fff;
    position: absolute;
    left: 5%;
    top: 10%;
    z-index: 666;
}
.swiper-name, .swiper-num {
    font-size: 40px;
    height: 45px;
    line-height: 45px;
    overflow: hidden;
    color: #fff;
    position: absolute;
    left: 5%;
    top: 15%;
    z-index: 666;
}
.swiper-name span{
    display: block;
    position: relative;
    top: 0px;
}
.swiper-num{
    left: auto;
    top: 10%;
    right: 5%;
}
.swiper-num span{
    display: block;
    position: relative;
    top: 0px;
}
.middle{
    width: 100%;
    background: white;
    position: relative;
    z-index: 199;
}
.big{
    width: 100%;
    background: #f8f8f8;
    position: relative;
    /*overflow: hidden;*/
    z-index: 399;
}
.big_center{
    position: relative;
    text-align: center;
    padding: 600px 0;
    z-index: 199;
}

.big_center .pic_s5_pc{
    position: absolute;
    width: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50% ,-50%);
    z-index: 99;
    display: block;
}
.big_center .pic_s5_pc_allphone{
    position: absolute;
    width: 50%;
    top: 136%;
    left: 50%;
    transform: translate(-50% ,-50%);
    z-index: 98;
    opacity: 1;
    display: none;
}
.big_center .pic_s6_pc_1{
    position: absolute;
    width: 50%;
    top:136%;
    left: 50%;
    transform: translate(-50% ,-50%);
    opacity:0.5;
    display: none;
    z-index: 119;
}
.big_center .pic_s6_pc_5{
    position: absolute;
    width: 14.5%;
    opacity: 0;
    top:32%;
    left: 50%;
    transform: translate(-50% ,-50%);
    z-index: 109;
    border-radius: 0%;
}
.big_center .pic_s6_pc_3{
    position: absolute;
    width: 10%;
    top: 22.5%;
    left: 50%;
    transform: translate(-50%,-50%);
    opacity: 0;
    border-radius: 5%;
}
.big_center .pic_s6_pc_4{
    position: absolute;
    width: 10%;
    top: 22.5%;
    left: 50%;
    transform: translate(-50%,-50%);
    opacity: 0;
    border-radius: 5%;
}
.big_bottom{
    position: relative;
    width: 100%;
    height: 800px;
}
.section{
    position: relative;
    width: 100%;
    height: 100vh;
    background: url("../img/pic_s4_bg_update.jpg") center no-repeat;
    background-size: cover;
    z-index: 599;
}
.section_content{
    width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 100px 0;
}
.section_content2{
    opacity: 1;
}
.section2{
    position: relative;
    width: 100%;
    height: 100vh;
    background-size: cover;
    z-index: 599;
}
.img_container{
    position: absolute;
    width: 67%;
    height: 31.5vw;
    left: 50%;
    transform: translate(-50%);
    border-radius: 20px;
    overflow: hidden;
    background: url("../img/pic_s8_pc_2_new.jpg") center no-repeat;
    background-position: top;
    background-size: 150%;
    margin: 0 auto;
}
.kong_1{
    position: relative;
    width: 100%;
    height: 1000px;
}
